Underground water sampler for water quality detection

By using a servo motor-driven screw and threaded sleeve in conjunction with a miniature hydraulic cylinder, clamping plate, and telescopic cylinder, the groundwater sampler achieves automatic adjustment and diverse sampling, solving the problems of seal wear and suspension rope breakage, and improving the efficiency and flexibility of water quality testing.

CN224051683UActive Publication Date: 2026-03-27ZHEJIANG HUANGUI ECOLOGICAL ENVIRONMENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing groundwater samplers suffer from wear and aging of seals and breakage of suspension ropes, resulting in decreased sealing performance and an inability to effectively sample water at different depths. Furthermore, the devices are bulky and difficult to move.

Method used

The device employs a servo motor-driven screw and threaded sleeve in conjunction with a miniature hydraulic cylinder, clamping plate, and telescopic cylinder to achieve automatic adjustment of the sampling cylinder and sampling at different depths; it is also equipped with rollers and auxiliary wheels to enable movement of the device.

Benefits of technology

It enables automatic adjustment and precise sampling of water samples at different depths, improving the efficiency and flexibility of water quality testing and enhancing the mobility of the device.

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Abstract

The utility model discloses an underground water sampler for water quality detection, and relates to the field of water quality detection, the underground water sampler comprises a base, the top of the left side of the base is fixedly provided with a support frame, the front side of the support frame is fixedly connected with a mounting frame, the outer wall of the mounting frame is wound with a water taking pipe, and the left side of the support frame is symmetrically provided with chutes; a servo motor body is arranged at the top of the supporting frame, a screw rod is fixedly installed on an output shaft of the servo motor body through a coupler, and a threaded sleeve is movably connected to the outer wall of the screw rod; and a moving plate is fixedly mounted on the left side of the threaded sleeve. The underground water sampler can be automatically adjusted to align to a water taking position by arranging a screw rod and a threaded sleeve, the underground water sampler can sample underground water at different depths by arranging a micro hydraulic cylinder body, a clamping plate, a telescopic air cylinder body and a limiting sleeve, and rollers and auxiliary wheels are arranged, so that the underground water sampler can be used for sampling underground water at different depths. And the underground water sampler can be moved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water quality detection technical field, concretely is a kind of groundwater sampler for water quality detection. BACKGROUND

[0002] Water quality detection refers to the quantitative and qualitative analysis of chemical substances, suspended solids, microorganisms and biological communities in water to assess the impact of water quality on human health and ecosystems, and groundwater is usually detected for water quality, so groundwater sampler is used.The length of the sampling tube is limited when the existing groundwater sampler is used, which limits the sampling depth and makes it impossible to obtain water samples at the target depth.

[0003] To overcome the above defects, the prior art (application number: 202120713614.X, application date: April 8, 2021, Chinese patent) discloses a groundwater sampling device, which is provided with a lifting rope, a water sampling pipe and a water pump, wherein the lower end of the water sampling pipe is provided with a sealing element, which is driven by a motor to push out and retract, thereby ensuring that the water sample taken by the water sampling pipe is a water sample at the target depth and does not contain water samples at other depths, and a water storage tank and a sample collection tank are provided at the upper end of the sampling well, so that different depths of water samples can be taken and stored separately.

[0004] Although the prior art can sample water at different depths, the sealing element may be affected by factors such as wear, aging or damage during use, resulting in a decrease in sealing performance and poor sampling effect, and the lifting rope is an important component of the groundwater sampling device, but may be worn out or broken after long-term use, thereby failing to effectively sample water at different depths, and the groundwater sampling device is set as a fixed structure, which is large in size and cannot be moved.

[0005] Therefore, we propose a groundwater sampler for water quality detection that can effectively solve the above problems. SUMMARY

[0006] The utility model aims to provide a groundwater sampler for water quality detection to solve the problem of the current groundwater sampling device in use, but the sealing element may be affected by factors such as wear, aging or damage during use, resulting in a decrease in sealing performance and poor sampling effect, and the lifting rope is an important component of the groundwater sampling device, but may be worn out or broken after long-term use, thereby failing to effectively sample water at different depths, and the groundwater sampling device is set as a fixed structure, which is large in size and cannot be moved.

[0007] To achieve the above object, the utility model provides following technical scheme: a groundwater sampler for water quality detection, including base, the top fixed mounting of base left side supports the frame, the positive fixed connection of support frame has installation frame, the outer wall of installation frame is wound and takes water pipe, the left side of support frame is opened symmetrically and slides into the groove, the top of support frame is provided with servo motor body, the output shaft of servo motor body is fixedly installed with screw rod through the shaft coupling, the outer wall of screw rod is movably connected with screw sleeve, the left side of screw sleeve is fixedly installed with moving plate, the left side of moving plate is fixedly installed with fixed seat, the inside fixed connection of fixed seat has sampling cylinder, and the inside movably connected with water pipe of sampling cylinder.

[0008] As the preferred technical scheme of the application, the right side of the support frame is symmetrically provided with a roller, the left side of the base is symmetrically provided with an auxiliary wheel, and a through groove is formed in the inside of the base.

[0009] As the preferred technical scheme of the application, the inside of the screw sleeve is movably connected with a guide rod, the right side of the moving plate is symmetrically fixedly installed with a sliding block, and the sliding block penetrates through the sliding groove at the end.

[0010] As the preferred technical scheme of the application, the inside of the bottom of the sampling cylinder is fixedly installed with a connecting seat, the top of the connecting seat on both sides is provided with a telescopic cylinder body, the output end of the telescopic cylinder body is fixedly installed with a limiting sleeve, the front and back of the limiting sleeve is provided with a micro hydraulic cylinder body, the output end of the micro hydraulic cylinder body is fixedly installed with a clamping plate, and the inside of the clamping plate is fixedly connected with an antiskid pad.

[0011] As the preferred technical scheme of the application, the screw sleeve is movably connected with the screw rod and the guide rod, the screw sleeve is provided as a T-shaped structure, the screw sleeve is closely attached with the moving plate, the moving of the screw sleeve drives the moving of the moving plate on the support frame, and then drives the moving of the fixed seat and the sampling cylinder.

[0012] As the preferred technical scheme of the application, the sliding block is slidably connected with the sliding groove, the sliding groove is integrally arranged with the support frame, the sliding of the sliding block in the corresponding sliding groove is driven by the moving of the moving plate, and the stability of the moving of the sampling cylinder is increased.

[0013] As the preferred technical scheme of the application, the limiting sleeve is driven by the telescopic cylinder body, the limiting sleeve is movably connected with the sampling cylinder, the telescopic cylinder body is started by the external controller, the output end of the telescopic cylinder body drives the downward movement of the limiting sleeve, and then the fixed water pipe is driven by the limiting sleeve to move downward.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The underground water sampler for water quality detection can automatically adjust and align the water taking position of the underground water sampler through the screw rod and the threaded sleeve, can sample underground water at different depths through the micro hydraulic cylinder body, the clamping plate, the telescopic cylinder body and the limiting sleeve, and can move the underground water sampler through the rollers and the auxiliary wheels, and the specific content is shown as follows.

[0016] 1. The screw rod and the threaded sleeve are arranged, the sampling cylinder, the servo motor body, the screw rod, the threaded sleeve, the guide rod, the moving plate, the support frame, the fixed seat, the sliding block and the sliding groove are cooperated with each other, the underground water sampler is automatically adjusted and aligned to the water taking position, and the working efficiency of water quality detection is improved.

[0017] Further, the micro hydraulic cylinder body, the clamping plate, the telescopic cylinder body and the limiting sleeve are arranged, the micro hydraulic cylinder body, the clamping plate, the anti-skid pad, the water taking pipe, the telescopic cylinder body, the limiting sleeve and the mounting frame are cooperated with each other, the underground water sampler can sample underground water at different depths, and the diversity of water quality detection is improved.

[0018] 2. The rollers and the auxiliary wheels are arranged, the base, the rollers, the support frame, the sampling cylinder and the auxiliary wheels are cooperated with each other, the underground water sampler is moved, and the working efficiency and the flexibility are improved. DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a base and support frame partial top view structural schematic diagram of the utility model;

[0021] Figure 3 It is a screw rod, threaded sleeve and sampling cylinder partial structural schematic diagram of the utility model;

[0022] Figure 4 It is a sampling cylinder partial section structural schematic diagram of the utility model;

[0023] Figure 5 It is a connecting seat and limiting sleeve partial structural schematic diagram of the utility model;

[0024] Figure 6 It is a connecting seat and limiting sleeve partial structural schematic diagram of the utility model; Figure 4 It is a connecting seat and limiting sleeve partial structural schematic diagram of the utility model;

[0025] In the figure: 1, base; 2, support frame; 3, roller; 4, auxiliary wheel; 5, mounting frame; 6, water taking pipe; 7, chute; 8, servo motor body; 9, screw rod; 10, threaded sleeve; 11, guide rod; 12, moving plate; 13, sliding block; 14, fixed seat; 15, sampling cylinder; 16, connecting seat; 17, telescopic pneumatic cylinder body; 18, limiting sleeve; 19, micro hydraulic cylinder body; 20, clamping plate; 21, non-slip pad. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-6 The present application provides the following technical solutions:

[0028] Embodiment one: to solve the problem that the underground water sampling device on the market in use, but the sealing element in the use process may be affected by factors such as wear, aging or damage, resulting in the decline of sealing performance, so that the sampling effect is poor, and the lifting rope is an important part of the underground water sampling device, but may be worn out, broken and other situations after long time use, so that the water at different depths cannot be effectively sampled, the problem can be solved by referring to the accompanying drawings Figure 1 -attached Figure 6, including base 1, the top of the left side of base 1 is fixedly installed with support frame 2, the front of support frame 2 is fixedly connected with mounting frame 5, the outer wall of mounting frame 5 is wound with water taking pipe 6, the left side of support frame 2 is symmetrically provided with sliding slot 7;The top of support frame 2 is provided with servo motor body 8, the output shaft of servo motor body 8 is fixedly installed with screw rod 9 through the shaft coupling, the outer wall of screw rod 9 is movably connected with threaded sleeve 10;The left side of threaded sleeve 10 is fixedly installed with moving plate 12, the left side of moving plate 12 is fixedly installed with fixed seat 14, fixed seat 14 is fixedly connected with sampling cylinder 15 in the inside, and water taking pipe 6 is movably connected in the inside of sampling cylinder 15. The inside of threaded sleeve 10 is movably connected with guide rod 11, the right side of moving plate 12 is symmetrically fixedly installed with sliding block 13, and the tail end of sliding block 13 penetrates through sliding slot 7. The inner wall of the bottom of sampling cylinder 15 is fixedly installed with connecting seat 16, the top of both sides of connecting seat 16 is provided with telescopic pneumatic cylinder body 17, the output end of telescopic pneumatic cylinder body 17 is fixedly installed with limiting sleeve 18, the front and back of limiting sleeve 18 is provided with micro hydraulic cylinder body 19, the output end of micro hydraulic cylinder body 19 is fixedly installed with clamping plate 20, clamping plate 20 is fixedly connected with antiskid pad 21 in the inside. Threaded sleeve 10 and screw rod 9 and guide rod 11 are movably connected, and threaded sleeve 10 is provided as T-shaped structure, threaded sleeve 10 and moving plate 12 are tightly attached. The sliding block 13 and the sliding slot 7 are connected by sliding, and the sliding slot 7 and the support frame 2 are integrally arranged. Limiting sleeve 18 is driven by telescopic pneumatic cylinder body 17, and limiting sleeve 18 and sampling cylinder 15 are movably connected.

[0029] When the sampling cylinder 15 is aligned with the position where the underground water is needed to be sampled for water quality detection, according to the height of the position where the underground water is needed to be sampled for water quality detection, the servo motor body 8 is started by the external control panel, so that the output shaft of the servo motor body 8 drives the screw rod 9 to rotate, the rotation of the screw rod 9 makes the threaded sleeve 10 move vertically on the guide rod 11, which increases the stability and guidance of the movement, so that the movement of the threaded sleeve 10 drives the movement plate 12 to move on the support frame 2, and then drives the fixed seat 14 and the sampling cylinder 15 to move, in the process of moving the movement plate 12, the sliding block 13 is driven to slide in the corresponding sliding groove 7, which increases the stability of the movement of the sampling cylinder 15, so that the sampling cylinder 15 is inserted into the predetermined position of the underground water sampling for water quality detection, realizing automatic adjustment and alignment of the underground water sampler to the water sampling position, improving the working efficiency of water quality detection; when the sampling cylinder 15 is inserted into the predetermined position, the water sampling pipe 6 is arranged in the sampling cylinder 15, and the end thereof is connected with the external water pump, according to the depth of the underground water needed to be sampled, the micro hydraulic cylinder body 19 is started by the external control panel, so that the output end of the micro hydraulic cylinder body 19 drives the clamping plate 20 to move relative to each other, so that the anti-skid pad 21 connected with the clamping plate 20 is attached to the water sampling pipe 6, which can fix and clamp the water sampling pipe 6, then the telescopic pneumatic cylinder body 17 is started by the external controller, the output end thereof drives the limiting sleeve 18 to move downward, so that the limiting sleeve 18 drives the fixed water sampling pipe 6 to move downward, pulling the water sampling pipe 6 wound on the mounting frame 5 to insert into the underground through the sampling cylinder 15, after the limiting sleeve 18 moves downward to the set bottom end, the micro hydraulic cylinder body 19 is closed, so that the micro hydraulic cylinder body 19 drives the clamping plate 20 to move away from the water sampling pipe 6, the telescopic pneumatic cylinder body 17 is started again, so that the limiting sleeve 18 moves upward to the highest end, the steps of fixing and clamping and moving are repeated until the water sampling pipe 6 moves to the appropriate depth position, cooperating with the external controller to start the water pump, so that the underground water is sampled through the water sampling pipe 6, so that the underground water sampler samples the underground water at different depths, improving the diversity of water quality detection.

[0030] Example two: the underground water sampler can be moved, please refer to the attached Figure 1 -attached Figure 2 The right side of the support frame 2 is symmetrically provided with the roller 3, the left side of the base 1 is symmetrically provided with the auxiliary wheel 4, and the inside of the base 1 is provided with a through slot.

[0031] The base 1 is pushed by the staff, so that the roller 3 drives the base 1 to move, so that the base 1 drives the sampling cylinder 15 arranged on the support frame 2 to move, in the process of the roller 3 driving the base 1 to move, the auxiliary wheel 4 is driven to roll, which increases the stability of the movement of the base 1, so that the sampling cylinder 15 is aligned with the position where the underground water is needed to be sampled for water quality detection, realizing the movement of the underground water sampler, improving the working efficiency and flexibility.

[0032] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A groundwater sampler for water quality detection, comprising a base (1), a support frame (2) is fixedly installed at the top of the left side of the base (1), a mounting frame (5) is fixedly connected to the front of the support frame (2), a water taking pipe (6) is wound on the outer wall of the mounting frame (5), and a sliding groove (7) is symmetrically formed on the left side of the support frame (2); characterized in that A servo motor body (8) is arranged at the top of the support frame (2), a screw rod (9) is fixedly installed on the output shaft of the servo motor body (8) through a shaft coupling, and a threaded sleeve (10) is movably connected to the outer wall of the screw rod (9); A moving plate (12) is fixedly installed on the left side of the threaded sleeve (10), a fixed seat (14) is fixedly installed on the left side of the moving plate (12), a sampling cylinder (15) is fixedly connected in the fixed seat (14), and a water taking pipe (6) is movably connected in the sampling cylinder (15).

2. The groundwater sampler for water quality detection according to claim 1, characterized in that: Rollers (3) are symmetrically arranged on the right side of the support frame (2), auxiliary wheels (4) are symmetrically arranged on the left side of the base (1), and a through groove is formed in the base (1).

3. The groundwater sampler for water quality detection according to claim 1, characterized in that: Guide rods (11) are movably connected in the inner part of the threaded sleeve (10), and sliding blocks (13) are symmetrically fixedly installed on the right side of the moving plate (12), and the sliding blocks (13) penetrate through the sliding grooves (7) at the tail ends.

4. The groundwater sampler for water quality detection according to claim 1, characterized in that: A connecting seat (16) is fixedly installed on the inner wall of the bottom of the sampling cylinder (15), telescopic cylinder bodies (17) are arranged on the top of the two sides of the connecting seat (16), limit sleeves (18) are fixedly installed on the output ends of the telescopic cylinder bodies (17), micro hydraulic cylinder bodies (19) are arranged on the front and back of the limit sleeves (18), clamping plates (20) are fixedly installed on the output ends of the micro hydraulic cylinder bodies (19), and antiskid pads (21) are fixedly connected in the clamping plates (20).

5. The groundwater sampler for water quality detection of claim 1, wherein: The threaded sleeve (10) is movably connected with the screw rod (9) and the guide rod (11), and the threaded sleeve (10) is arranged in a T-shaped structure, and the threaded sleeve (10) is tightly attached to the moving plate (12).

6. The groundwater sampler for water quality detection according to claim 3, characterized in that: The sliding blocks (13) are slidably connected with the sliding grooves (7), and the sliding grooves (7) are integrally arranged with the support frame (2).

7. The groundwater sampler for water quality detection according to claim 4, characterized in that: The limit sleeve (18) is driven by the telescopic cylinder body (17), and the limit sleeve (18) is movably connected with the sampling cylinder (15).

Citation Information

Patent Citations

  • Underground water sampling device

    CN215894096U